Zobrazeno 1 - 10
of 32
pro vyhledávání: '"R. K. Thappa"'
Publikováno v:
Proceedings of Indian National Science Academy, Vol 62, Iss 3B (2015)
Plumbagin, a Sterilant for Musca domestica Males A Light and Electron Microscopic Study of its Effect on Testis
Autor:
Baleshwar, S. G. Agarwal, P. L. Dhar, Vijai K. Agnihotri, R. K. Thappa, B. K. Kapahi, Ghulam Nabi Qazi, Rajendra K. Saxena
Publikováno v:
Flavour and Fragrance Journal. 20:607-610
Hydrodistillation of the aerial parts of Mentha pulegium L., collected from the wild and recorded for the first time from different locations in the higher Himalayas, Jammu and Kashmir, India, provided refreshing pale-coloured essential oils with a c
Autor:
S. K. Sharma, S. K. Bakshi, R. Paul, Ashok Ahuja, S. K. Kichlu, M. K. Kaul, S. G. Agarwal, R. K. Thappa
Publikováno v:
Flavour and Fragrance Journal. 20:403-406
The biosynthetic capacity of in vitro proliferating shoots and regenerated callus clones has been evaluated for essential oil production. On evaluation it was found that the essential oil isolated from foliage of proliferating shoots and regenerated
Publikováno v:
New Zealand Journal of Crop and Horticultural Science. 31:187-191
The effect of seasonal changes on oil content of a new clone of Jamrosa ‘RL‐931’ (Cymbopogon nardus var. confertiflorus × C. jwarancusa) was investigated during 1998–99. The pre‐monsoon and onset of the monsoon period (May‐July) was char
Publikováno v:
Journal of Essential Oil Research. 11:97-103
The chemical composition of the oils of five Elsholtzia species found in the Himalayan region of India have been determined using a combination of techniques such as SiO2 column chromatography, TLC, GC, GC/MS, 1H-NMR, 13C-NMR and IR. E. blanda oil wa
Autor:
T. N. Srivastava, S. G. Agarwal, Bal Krishan Kapahi, R. K. Thappa, Ram Prasad Chaudhary, Robert P. Adams
Publikováno v:
Journal of Essential Oil Research. 10:21-24
The composition of the leaf oils of Juniperus recurva from India (Sikkim) and Nepal were analyzed and compared to the composition of J. recurva var. squamata from western India. The major components of J. recurva oil were α-pinene (0.5–6.9%), sabi
Publikováno v:
Journal of Essential Oil Research. 17:361-363
The chemical composition of Angelica glauca Edqew (Fam. Apiaceae) root volatile, from various locations in Alpine Himalayas at different phenological stages of plant growth was investigated by using GC, GC/MS and spectroscopic techniques. Terpene hyd
Publikováno v:
Journal of Essential Oil Research. 17:265-267
A volatile concentrate obtained from rose water (ex. Rosa damascena flowers) by liquid-liquid extraction with dichloromethane was studied by GC and GC/MS. The volatiles consisted mainly of 2-phenylethanol (69.7–81.6%), linalool (1.5–3.3%), citron
Publikováno v:
Phytochemistry. 42:1485-1488
Two new pyrroloquinazoline alkaloids, viz. 1,2,3,9-tetrahydropyrrolo(2,1-b)-quinazolin-9-one-3 R -hydroxy-3(2′-dimethylamino phenyl (desmethoxyaniflorine) and 7-methoxy-3 R -hydroxy-1,2,3,9-tetrahydropyrrolo-[2,1-b]-quinazolin-9-one (7-methoxyvasic
Autor:
M. K. Kaul, P. L. Dhar, S. G. Agarwal, S. K. Bakshi, Krishan Avtar Suri, Surinder Kitchlu, R. K. Thappa
Publikováno v:
Flavour and Fragrance Journal. 19:452-454
Variation pattern in the composition of essential oil, hydrodistilled from the over-matured flower heads of Echinacea purpurea (L.) Moench under subtropical climate was characterized by GC–MS and GC analysis. The plants flower from June till Dece